# MutantHub mutant #4283: Return value mutation at validation.cpp:5221
# Repository: bitcoin/bitcoin @ ddea9196493d3b8fd841a36a6c53efd85dac7a05
# File: src/validation.cpp:5221-5221
# Review: APPROVED; outcome: SURVIVED
--- a/src/validation.cpp
+++ b/src/validation.cpp
@@ -5221,1 +5221,1 @@
-    if (FastRandomContext().randrange(*m_options.check_block_index) >= 1) return false;
+    if (FastRandomContext().randrange(*m_options.check_block_index) >= 1) return true;